Without solid connections between homicides, we may have the reverse problem of believing three local murders are the work of one serial killer when they may actually be the work of three!
Serial killers are everywhere! Well, perhaps not in our neighborhood, but on our television screens, at the movie theatres, and in rows and rows of books at our local Borders or Barnes and Noble...
While we are being fascinated by the tales of famous serial killers and how they were brought to justice, the real serial killer goes about his business with hardly a thought to being caught.
While there are many wonderful police investigators out there doing some very fine work, the majority of the time it is not brains that catches serial killers.
Since there are only so many ways to kill a person, a good portion of homicides look pretty much alike.
In reality, serial killers are of average intelligence.
Nowadays, with much more racial and ethnic mixing, we are seeing serial killers murdering a variety of victims; whoever comes along will most likely do.
Using MO to link crimes can be problematic.
There are many more serial killers living outside the prison walls than inside.
We assume people we know can't be serial killers.